455540987 has 8 divisors (see below), whose sum is σ = 497530992. Its totient is φ = 413647200.

The previous prime is 455540971. The next prime is 455541083. The reversal of 455540987 is 789045554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455540987 - 2⁴ = 455540971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455540927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13964 + ... + 33257.

It is an arithmetic number, because the mean of its divisors is an integer number (62191374).

Almost surely, 2^455540987 is an apocalyptic number.

455540987 is a deficient number, since it is larger than the sum of its proper divisors (41990005).

455540987 is a wasteful number, since it uses less digits than its factorization.

455540987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48109.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 455540987 is about 21343.4061714619. The cubic root of 455540987 is about 769.4418775551.

The spelling of 455540987 in words is "four hundred fifty-five million, five hundred forty thousand, nine hundred eighty-seven".